Reflecting and focusing apparatus with pivotally adjustable spaced apart reflecting members for heat and light rays



' Y' 1949; w. J. HARVEY 2,471,954

REFLECTING AND FOCUSING APPARATUS WITH PIVOTALLY ADJUSTABLE SPACED APARTREFLECTING MEMBERS FOR HEAT AND LIGHT RAYS Filed May 2'7, 1,946

2 Sheets-Sheet l Irv enter:

May 31, w J EY REFIJECTING AND'FQCUSING APPARATUS WITH PIVOTALLYADJUSTABLE SPACED ABART REFLECTING MEMBERS FOR HEAT AND" LIGHT 'RAYSFiled May 27, 1946 2 Sheets-Sheet 2 3 f b 32 u 5?) E 3 5 2 3f I in 9 I nrenter.

Patented May 31, 1949 EAT/1 954 REFLECTING AND FOCUSING APPARATUS WITHPIVOTALLY ADJUSTABLE SPACED APART REFLECTING MEMBERS FOR HEAT AND LIGHTRAYS Walter James Harvey, Toronto, Ontario, Canada Application May 27,1946, Serial No. 672,676

4 Claims.

This invention relates to improvements in apparatus for theconcentration of light and other rays for various purposes andparticularly to concentrate such rays to transmit their energy to beapplied directly for commercial and scientific uses where heat and powerare required and the principal object of the invention consists in theutilization of the maximum amount of rays from a given area in theconcentration of such rays to a focal area point to produce reactions ofgreat intensity.

The principal feature of the invention consists in the novel manner ofpivotally supporting a plurality of bars at their opposite ends within aframe and tilting the bars of opposing groups inwardly in unison andpivotally mounting upon the individual bars spaced-apart members andconnecting such spaced-apart members to be tilted inwardly in opposinggroups simultaneously with the inward tilting of their supporting bars,each of said individual pivotal members carrying a ray reflecting memberIn the accompanying drawings Figure l is a plan view of a unit of amultiplicity of reflectors mounted to be operated in accordance withthis invention.

Figure 2 is a vertical transverse section of my device taken through theline 2-2 of Figure 1.

Figure 3 is a vertical transverse section taken through the line 3-3 ofFigure 1.

Figure 4 is a partial broken perspective View showing one half of theunit shown in Figure 1 with the central operating member.

Figure 5 is an enlarged vertical sectional view of one of the reflectormembers with its supporting elements.

The device as herein shown comprises an open box or casing I ofrectangular form having metal bars 2 secured along the upper insideedges of two opposite walls.

A plurality of flat metal bars 3 substantially equally spaced apart andparallelly arranged extend across the casing and have their oppositeends turned laterally forming end lugs 4.

Each of the end lugs 4 are mounted to swing on pivot pins 5 secured inthe side bars 2. Each bar 3 is provided centrally of its length with apair of bracket lugs 6 which are spaced apart and extend below the loweredge of each bar 2. r-

Flat bar links I extend between the paired bracket lugs 6 and arepivotally connected thereto by pins 8.

A squared block 9 is vertically slidably mounted in a squared socket l0mounted centrally on the bottom H of the casing l and the top of thisblock is formed with right angularly centrally crossing slots l2 and I3.

The block 9 is formed with a central cylindrical orifice l4 extendingupwardly from the bottom and a spindle 55 extending upwardly through thebottom it is rotatably secured in said block by a cross pin is engaginga circumferential groove I? in the upper end of said spindle.

The spindle I5 is threaded and is mounted in a threaded hole in a nut l8arranged in the bottom of the socket ill and when said spindle isrotated by the crank 19 attached thereto the spindle is caused to riseor fall.

Links 28 are pivotally mounted in the slots !2 on pins 2! extendingacross said slots in the block 9. These links extend angularly upwardlyand outwardly and their upper ends are pivoted in the brackets 6 of thebars which are arranged adjacent to the block 9.

It will be understood that as the spindle I5 is rotated, the bars 3 onone side of the block 9 will,

by reason of being connected together by the bars I and the brackets 6,be swung on their end pivots in one direction, while the bars 3 on theopposite side of the block will be swung in the reverse direction.

A plurality of short upright bars 22 are pivotally mounted intermediateof their length on the bars 2 and they are preferably equally spaced theupper ends of the links to the bars 23 extend through the bars 23connecting the upright members 22 mounted on each of the pivotal crossbars '3. P

It will be readily understood that as th threaded sipndle I5 is rotated,in addition to swinging the two groups of cross bars simultaneously inopposite directions on their end pivots the movement of the link members25 and bars 23 will, through being connected by the rods 2?, swing thetwo groups of upright members in opposing directions on their pivots onthe bars 3.

Each of the upright bars 22 is for-med with a laterally turned upper endwhich forms a lug 28 on which a plate 29 is mounted.

Mounted on and spaced from each plate 29 is a reflector 30. Thesereflectors are each adjust ably mounted to be tilted on a pin 3!threaded in the plate 29 and three threaded pins 32 are pivotallyconnected to the base of the reflectors and held against coil springs 33by nuts 34.

The reflectors may be adjusted for tilt to any desired degree in aninward direction from either side of the .casing as may be desired andafter such adjustment .is made the device may be operated by turning thespindle I5.

When the spindle I5 is turned the link connections 2!] swing the twoopposite groups of bars'3 on their end pivots and consequently thereflectors carried thereby are tilted inwardly toward a cross centreline parallel with the bars '3 and simultaneously the links 25 swing theupright member groups either side-.of'the centre line i transverse tothe bars 3 in unison relative to such centre line.

The result of this double pivotal movement is that the reflectors areall tilted in two directions to the crossing centrelines and the lightrays striking the inclined reflectors may be focussed to a central areaof varying dimensions from practically a point spot to an area ofconsiderable dimensions.

The result of this convergence of rays to a focal point -is toconcentrate the energy therein so that a very intensely energized areais vproduced and this may be such as to heat water convertingit to steamin a suitable boiler, or to operateafurnace-for the reduction of metalandv other substances orforctheruse of the reflected energy.

The device may also be used quite effectively by less concentrationfor-therapeutic purposes.

What I claim'as my invention is:

:1. A .ray concentration device comprising, a frame, a plurality ofparallelly arranged bars mounted. in. opposite sides of said frame torotate on .end' pivots, bracket members. extending downwardly fromieachof said parallelly arranged bars, a pair of bars arranged ,-insubstantially longitudinalalignment and each pivotally connected tozthedepending brackets ofa-group of said parallelly.- arranged :bars andextending transversely thereof, links pivotally connected to the.adjacent ends of the longitudinally-aligned bars .connectingsaidbrackets, a block arrangedmidway betweenttheadjacent endsorsaidlOngitudinaIly aligned bars between .and below :said groupedparallelly arranged :bars .and'movable upwardly and downwardlyandpivotally connected to :said links to swing the parallelly arranged.barslof 'eachzgroupi in unison with the bars of ,onergroup swingin inopposite direction to therbars ofanotherggroup upright bars pivotallymountediin g-roups 'on--each of said parallelly arranged .bars andadapted to-tswinginlplanes parallel thereto, bars pivotally connectingvthe lower eends of the groups of upright bars and extending parallel theparalleliy arranged.-a-nd;pivoted barsieither side .of' said block linkspivotally connecting the hereof the latter group connecting bars eitherside of said block withsaidblock to swingthe groups of upright bars ontheir pivots simultaneously iWlth .the swinging of the parallellyarranged'barswith theupright barsof one group swingingin oppositedirection .to thenpright bars of another group, and reflectorsmountedlon the upper ends of said upright .bars.

2. A .device astclaimed in claimrllin whichithe links connecting the,bars joining the upri ht membersrinhopposed groups arepivotallyconnected. toopposite sides ,or said block,.and .thelinkstconnected to the lbars'connecting. the rupright. members. in,groups and connected to said block are arranged in right, angularrelation .to the other links, means .being providedto reciprolcatelsaid.blocktoward and .from, said groups.

4 3. A ray concentration device comprising a frame, a plurality ofparallelly arranged bars extending between opposite sides of said frameand arranged to rotate on end pivots, bars extending transversely of andpivotally connected with-said parallelly arranged bars and forming apair of coupled groups of parallelly arranged bars, vertically slidablemeans arranged centrally of said frame between said parallelly arrangedbar groups, links connected between said slidable means and said barsconnecting said parallellyarrangedbars in groups to swing said groups ofparallelly arranged bars simultaneously toward or away from each other,upright bars pivotally mounted on said parallelly arranged bars to swingin planes parallel thereto,-reflectors mounted on the upper ends of theupright bars, bars extending parallel said parallelly arranged bars andpivotally'connecting the lower ends of said upright bars in coupledgroups on each side of said central slidable means, and means connectingsaid slidable meansand said latterconnecting bars to swing sametogether'with coupled groups of said upright bars and the reflectorscarried therebysimultaneously-towards or away from each other concurrentwith'the, swingingof the aforesaid coupled groups of parallelly arrangedbars.

4. A ray concentration device comprising a rectangular frame, a blockarranged centrally of said frame and movable upwardly and downwardly'ofsaid frame, a plurality of parallelly arranged bars extending acrosssaid frame and pivoted at the ends thereto, a pair of bars, arranged insubstantially longitudinal alignment extending transversely ofandpivotally connected with theparallelly arranged bars and terminatingadjacent said block to formitwogroups of parallelly arranged bars one,onleach side, of said block, links connecting the adjacent ends of saidpairof bars withhsaid block whereby movement of saidIblock effectsmovement of said pair of barsin opposite directions to swing said groupsof parallelly arranged bars in opposite directions, upright bars pivotedto each ofsaid parallellycarran e'd bars, reflectors.moluntedonltheupperends of said upright ,bars linkbars .extending parallel said parallellyarranged .bars ,and pivotally connecting ,the upright bars on eeachlofsaid-parallelly arranged bars on .each side of.lsaidi.block, rodmeansconnecting the last-mentioned link bars -oneachside of. said block, andlink. means .connectingsaid rod means withsaidblock whereby movement ofsaid block reflects movement of said upright bars on opposite sides ofsaid block in opposite. directions simultaneously with theswinging ofsaid groups of parallelly. arrangedbars.

WALTER JAMES HARVEY.

'REFERENCES CITED The fol1ow ing references are of record l in the filenot this patent:

,UNITED :;STATES LPATENIS Number Name Date 509,390 Paine .Nov. 28,1893514,669 Allingham Feb. I3, "1894 111111239 'Smelser Sept:f2 2; 1914[1,248,456 Clark Dec.;4, 1917 1,367,472 Harvey 1Feb. 1, .1921 "386,781Harvey Aug. "9, 1921

